/*
 * Copyright 2017 Huawei Technologies Co., Ltd
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.servicecomb.transport.highway;

import java.net.InetSocketAddress;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import io.servicecomb.core.Endpoint;
import io.servicecomb.core.transport.AbstractTransport;
import io.servicecomb.foundation.common.net.URIEndpointObject;

import io.vertx.core.AbstractVerticle;
import io.vertx.core.Context;
import io.vertx.core.Future;
import io.vertx.core.Vertx;

public class HighwayServerVerticle extends AbstractVerticle {
    private static final Logger LOGGER = LoggerFactory.getLogger(HighwayServerVerticle.class);

    public static final String SSL_KEY = "highway.provider";

    private Endpoint endpoint;

    private URIEndpointObject endpointObject;

    @Override
    public void init(Vertx vertx, Context context) {
        super.init(vertx, context);
        this.endpoint = (Endpoint) context.config().getValue(AbstractTransport.ENDPOINT_KEY);
        this.endpointObject = (URIEndpointObject) this.endpoint.getAddress();
    }

    @Override
    public void start(Future<Void> startFuture) throws Exception {
        super.start();

        startListen(startFuture);
    }

    protected void startListen(Future<Void> startFuture) {
        // 如果本地未配置地址，则表示不必监听，只需要作为客户端使用即可
        if (endpointObject == null) {
            LOGGER.warn("highway listen address is not configured, will not listen.");
            startFuture.complete();
            return;
        }

        HighwayServer server = new HighwayServer(endpointObject);
        server.init(vertx, SSL_KEY, ar -> {
            if (ar.succeeded()) {
                InetSocketAddress socketAddress = ar.result();
                LOGGER.info("highway listen success. address={}:{}",
                        socketAddress.getHostString(),
                        socketAddress.getPort());
                startFuture.complete();
                return;
            }

            LOGGER.error(HighwayTransport.NAME, ar.cause());
            startFuture.fail(ar.cause());
        });
    }
}
